二元一次方程组的公式,二元一次方程的应用题的解法和一元一次方程的应用题,好了以后有额外的财富值例子如x+y=92y-x=9还要分数的怎么解
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![二元一次方程组的公式,二元一次方程的应用题的解法和一元一次方程的应用题,好了以后有额外的财富值例子如x+y=92y-x=9还要分数的怎么解](/uploads/image/z/1545124-4-4.jpg?t=%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%84%E7%9A%84%E5%85%AC%E5%BC%8F%2C%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%9A%84%E5%BA%94%E7%94%A8%E9%A2%98%E7%9A%84%E8%A7%A3%E6%B3%95%E5%92%8C%E4%B8%80%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%9A%84%E5%BA%94%E7%94%A8%E9%A2%98%2C%E5%A5%BD%E4%BA%86%E4%BB%A5%E5%90%8E%E6%9C%89%E9%A2%9D%E5%A4%96%E7%9A%84%E8%B4%A2%E5%AF%8C%E5%80%BC%E4%BE%8B%E5%AD%90%E5%A6%82x%2By%3D92y-x%3D9%E8%BF%98%E8%A6%81%E5%88%86%E6%95%B0%E7%9A%84%E6%80%8E%E4%B9%88%E8%A7%A3)
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